History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado /

Bibliographic Details
Main Author:	Wahlstrom, Ernest E. (Ernest Eugene), 1909-2000
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1974.
Series:	Geological Survey professional paper ; 831-A. Engineering geology of the Harold D. Roberts Tunnel, Colorado.
Subjects:	Harold D. Roberts Tunnel (Colo.) Engineering geology > Colorado > Summit County. Engineering geology > Colorado > Park County. Engineering geology > Colorado > Park County Engineering geology > Colorado > Summit County

by Wahlstrom, Ernest E. (Ernest Eugene), 1909-2000
Published 1974

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